我想实现手势检测器来为我的 Google Glass 设置 baselistener。Android Studio 给了我一个错误,说touchpad
找不到该符号。我已经导入了相关的库。
setBaseListener
继续报错。
private GestureDetector createGestureDetector(Context context, GestureDetector.OnGestureListener listener) {
GestureDetector gestureDetector = new GestureDetector(context, listener);
//Create a base listener for generic gestures
gestureDetector.setBaseListener(new GestureDetector.BaseListener() {
@Override
public boolean onGesture(Gesture gesture) {
if (gesture == Gesture.TAP) {
// do something on tap
return true;
} else if (gesture == Gesture.TWO_TAP) {
// do something on two finger tap
return true;
} else if (gesture == Gesture.SWIPE_RIGHT) {
// do something on right (forward) swipe
return true;
} else if (gesture == Gesture.SWIPE_LEFT) {
// do something on left (backwards) swipe
return true;
}
return false;
}
});